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Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This experiment explores whether caffeine improves athletic performance.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Learn all about balance and motion as your child designs a corn maze!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how: